Variable-frequency automatic kettle stopping electrical control system for drying kettle
The frequency conversion automatic shutdown electrical control system for the drying kettle solves the problem that manual operation is required for shutdown braking in existing technologies, realizes automated control of the equipment, reduces failure rate and operational intensity, and improves operating efficiency.
Patent Information
- Application Number
- CN202520164333.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-23
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2035-01-23
AI Technical Summary
In existing technologies, the shutdown braking of the drying kettle requires manual operation of the brake by the staff, which causes the electrical system and mechanical devices of the equipment to be subjected to extreme working conditions for a long time, resulting in frequent equipment failures.
The automatic shutdown electrical control system for the drying kettle is adopted, which includes a frequency converter control cabinet, an explosion-proof control box, a running position detection device, a data acquisition module, and a signal acquisition module. It achieves automated control through fiber optic communication and a PLC controller, thereby reducing the equipment failure rate.
It enables automated shutdown of the drying kettle, reduces equipment failure frequency, improves operating efficiency and equipment lifespan, and reduces the labor intensity of operators.
Smart Images
Figure CN223712061U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to electrical control system technical field, concretely relates to a kind of drying kettle frequency conversion automatic stop kettle electrical control system. BACKGROUND
[0002] Drying kettle refers to a kind of wetness in material is vaporized and escaped by heating, to obtain the mechanical equipment of the solid material of specified moisture content, is a kind of mechanical equipment that realizes material drying process.
[0003] In prior art, drying kettle stop brake needs to be manually operated by staff to control brake, so that equipment electrical system and mechanical device are subjected to limit working condition impact for a long time, resulting in frequent equipment failure. UTILITY MODEL CONTENT
[0004] (One) technical problem solved
[0005] In view of the deficiencies of prior art, the utility model provides a kind of drying kettle frequency conversion automatic stop kettle electrical control system, solve the problem that drying kettle stop brake needs to be manually operated by staff in prior art to control brake.
[0006] (Two) technical scheme
[0007] To achieve the above object, the utility model is realized by the following technical scheme:
[0008] In the utility model, drying kettle frequency conversion automatic stop kettle electrical control system is used to control the start and stop of drying kettle, including frequency conversion control cabinet arranged in electric control room and drying kettle and drying kettle explosion-proof control box arranged in field;
[0009] The drying kettle explosion-proof control box is external equipment of drying kettle, is electrically connected with drying kettle, and is protected to drying kettle by PLC controller;
[0010] Optical fiber transceiver in the frequency conversion control cabinet is connected with optical fiber transceiver in the drying kettle explosion-proof control box by optical fiber communication.
[0011] Further, the drying kettle explosion-proof control box is externally connected with running position detection device, and is electrically connected with running position detection device, and the running position detection device includes three position detection sensors, three position detection sensors correspond to three stop positions respectively, and are selected by change-over switch.
[0012] Three stop positions are feeding port, detection port and stop discharge port of drying kettle respectively.
[0013] Further, the frequency conversion control cabinet includes bypass switching device, data acquisition control module and frequency converter, and the frequency converter is electrically connected with data acquisition control module.
[0014] The bypass switching device is electrically connected with the data acquisition control module.
[0015] The optical fiber transceiver in the frequency conversion control cabinet is electrically connected with the bypass switching device, and the optical fiber transceiver in the frequency conversion control cabinet is electrically connected with the data acquisition control module.
[0016] Further, the drying kettle explosion-proof control box comprises a data acquisition module, a power supply and a data processing unit.
[0017] The data acquisition module is electrically connected with the drying kettle, and the power supply and the data processing unit are electrically connected with the drying kettle and the data acquisition module, and process the collected data.
[0018] The power supply and the data processing unit are electrically connected with the optical fiber transceiver in the drying kettle explosion-proof box.
[0019] Further, the frequency conversion control cabinet is further provided with a feedback unit and a signal acquisition and communication module, the feedback unit is electrically connected with the frequency converter, and the signal acquisition and communication module is electrically connected with the frequency converter.
[0020] Further, the electrical control system adopts a distributed layout.
[0021] (Three) beneficial effects
[0022] The utility model provides a kind of drying kettle frequency conversion automatic stop kettle electrical control system.Compared with prior art, it has the following beneficial effects:
[0023] By setting electrical control system, the start and stop of drying kettle are controlled, the problems that in prior art, drying kettle stop brake needs to be manually operated by staff to control brake, so that equipment electrical system and mechanical device are subjected to the impact of limit working condition for a long time, leading to frequent equipment failure are solved. DRAWINGS
[0024] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, the drawings needed to be used in the embodiment or prior art description will be simply introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creating labor.
[0025] Figure 1 It is a kind of drying kettle frequency conversion automatic stop kettle electrical control system structure frame diagram;
[0026] Figure 2 It is a kind of drying kettle frequency conversion control cabinet main component connection diagram. DETAILED DESCRIPTION
[0027] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model more clear, the technical scheme in the embodiments of the utility model is clearly and completely described, obviously, the described embodiments are a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the protection scope of the utility model.
[0028] The embodiment of the application provides a kind of drying kettle variable frequency automatic stop kettle electric control system, solve the problem that existing technology, drying kettle brake needs to be manually operated by staff to control brake, realize the low failure rate of equipment.
[0029] The technical scheme in the embodiment of the application is to solve the above technical problems, and the general idea is as follows:
[0030] In the actual operation of drying kettle, it is found that in the prior art, the brake of the drying kettle needs to be manually operated by the staff to control the brake, so that the electrical system and mechanical device of the equipment are subjected to the impact of extreme working conditions for a long time, resulting in frequent equipment failure.
[0031] After research, as shown in Figures 1-2 By setting the electrical control system, the start and stop of the drying kettle are controlled, and the problem that the brake of the drying kettle needs to be manually operated by the staff to control the brake in the prior art, so that the electrical system and mechanical device of the equipment are subjected to the impact of extreme working conditions for a long time, resulting in frequent equipment failure.
[0032] In order to better understand the above technical scheme, the above technical scheme will be described in detail in combination with the drawings and specific embodiments of the specification.
[0033] As shown in Figure 1 A kind of drying kettle variable frequency automatic stop kettle electric control system for controlling the start and stop of drying kettle, including the frequency conversion control cabinet being set in electric control room and drying kettle and drying kettle explosion-proof control box being set in field;
[0034] The drying kettle explosion-proof control box is the external equipment of drying kettle, is electrically connected with drying kettle, and is protected to drying kettle by PLC controller;
[0035] The optical fiber transceiver in the frequency conversion control cabinet is connected with the optical fiber transceiver in the drying kettle explosion-proof control box by optical fiber communication.
[0036] By setting the electrical control system, the start and stop of the drying kettle are controlled, and the problem that in the prior art, the drying kettle needs to be manually operated by workers to control the brake during parking, so that the electrical system and mechanical device of the equipment are subjected to the impact of extreme working conditions for a long time, resulting in frequent equipment failures, is solved.
[0037] After the frequency control cabinet is used to control the operation of the drying kettle, the impact on the motor, brake, coupling and reduction box is greatly reduced, and the service life of these transmission devices is prolonged.
[0038] As shown in Figure 1 , the drying kettle explosion-proof control box is externally connected with a running position detection device and is electrically connected with the running position detection device, the running position detection device includes three position detection sensors, the three position detection sensors correspond to three parking positions respectively, and a switch is selected;
[0039] The three parking positions are the feeding port, detection port and parking discharge port of the drying kettle.
[0040] Through the running position detection device, the three position detection sensors correspond to the sensors respectively arranged at the three positions of the drying kettle, the three parking positions are the feeding port, detection port and parking discharge port, the parking position can be selected from the three positions of the feeding port, detection port and parking port, and the corresponding parking detection position is selected through the switch.
[0041] When the stop button is pressed, the control system can automatically align the drying kettle equipment to the currently selected parking position through the running position detection device, precise parking is realized, the equipment operation efficiency is improved, the labor intensity of the operator is reduced, and the problem that in the prior art, the equipment cannot be accurately parked in the specified state during parking, resulting in reduced equipment operation efficiency and increased labor intensity of the workers, is solved.
[0042] The position detection device is simple to install and reliable in performance, and the detection device meets the explosion-proof requirements according to the on-site explosion-proof requirements.
[0043] As shown in Figure 1 , the frequency control cabinet includes a bypass switching device, a data acquisition control module and a frequency converter, and the frequency converter is electrically connected with the data acquisition control module.
[0044] The bypass switching device is electrically connected with the data acquisition control module.
[0045] The optical fiber transceiver in the frequency control cabinet is electrically connected with the bypass switching device, and the optical fiber transceiver in the frequency control cabinet is electrically connected with the data acquisition control module.
[0046] By increasing bypass switching and control device as the dry kettle equipment frequency control system backup device, when the frequency control system debugging problems, timely switching to the power system, increase the system stability and reliability requirements.
[0047] As shown in Figure 1 The dry kettle explosion-proof control box includes a data acquisition module and a power supply and data processing unit;
[0048] The data acquisition module is electrically connected with the dry kettle, and the power supply and data processing unit is electrically connected with the dry kettle and the data acquisition module, and processes the collected data;
[0049] The power supply and data processing unit is electrically connected with the optical fiber transceiver in the dry kettle explosion-proof box.
[0050] By setting the data acquisition module and the power supply and data processing unit, the dry kettle operation data is processed, and the data is fed back to the frequency control box in the electric control room through the optical fiber communication mode, and the frequency control box controls the dry kettle through the data acquisition control module.
[0051] As shown in Figure 2 The feedback unit and the signal acquisition and communication module are arranged in the frequency control cabinet, the feedback unit is electrically connected with the frequency converter, and the signal acquisition and communication module is electrically connected with the frequency converter.
[0052] By setting the signal acquisition and communication module in the frequency control cabinet, the working state of each device in the frequency cabinet is collected, including the contactor feedback signal (brake clutch), frequency converter communication control, operating parameters, etc., which can reliably ensure that the output to the contactor action is normal, whether there is motor locked-rotor, contactor sticking or not;
[0053] By setting the energy feedback unit, according to the dry kettle electric energy quality analysis, it is concluded that the motor load rotates periodically with the dry kettle equipment, and the size of the load will change, and the excess electric energy will be generated in the process of rotation, deceleration and parking. Setting the energy feedback unit can make the dry kettle equipment run in the most efficient state.
[0054] It should be noted that the electrical control system adopts distributed layout;
[0055] The dry kettle frequency automatic stop kettle electrical control system is composed of frequency control cabinet, field explosion-proof control box, position sensor and the like. The frequency converter is matched with the load characteristics and operation mode of the dry kettle, and is matched with the voltage, frequency, power, torque, speed and other related parameters of the dry kettle drive motor. The frequency system should be able to withstand the dynamic and thermal stress and instantaneous mechanical torque when short circuit occurs. Any damage caused by short circuit or internal failure is limited to its limited parts;
[0056] The whole system is seamlessly connected with the existing power supply, limit and protection device of the drying kettle equipment, and a Chinese real-time fault diagnosis and monitoring system can be configured, which can automatically monitor and display the running condition of the drying kettle, timely eliminate equipment hidden dangers, diagnose the fault cause, fault position and maintenance method, quickly complete maintenance, thereby greatly reducing fault maintenance and downtime.
[0057] Compared with the prior art, the present application has the following beneficial effects:
[0058] 1. By setting the electrical control system, the start and stop of the drying kettle are controlled, solving the problem in the prior art that the drying kettle stop braking needs to be manually operated by the worker to control the brake, so that the equipment electrical system and mechanical device are subjected to the impact of extreme working conditions for a long time, resulting in frequent equipment failures.
[0059] 2. By setting the running position detection device, the control system can automatically realize the alignment of the drying kettle equipment to the currently selected stop position through the running position detection device, realize accurate parking, improve equipment operation efficiency, and reduce the labor intensity of the operator, solving the problem in the prior art that the equipment often fails to accurately park at the specified state during braking, resulting in reduced equipment operation efficiency and increased labor intensity of the worker.
[0060] 3. By increasing the bypass switching and control device as a backup device of the drying kettle equipment variable frequency control system, the system stability and reliability requirements can be increased when the variable frequency debugging control system has a problem.
[0061] It should be noted that in this text, relational terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Without more limitations, the element defined by the statement "including a" does not exclude the presence of another identical element in the process, method, article or equipment including the element.
[0062] The above examples are only used to illustrate the technical solutions of the present application, and are not intended to limit them; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that the technical solutions recorded in the foregoing examples can still be modified, or some technical features therein can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.
Claims
1. A frequency conversion automatic stop-kettle electric control system for a drying kettle, used for controlling the start and stop of the drying kettle, characterized in that, The frequency conversion control cabinet is arranged in the electric control room, and the drying kettle and the drying kettle explosion-proof control box are arranged on the site; The drying kettle explosion-proof control box is an external device of the drying kettle, is electrically connected with the drying kettle, and protects the drying kettle through the PLC controller; The optical fiber transceiver in the frequency conversion control cabinet is connected with the optical fiber transceiver in the drying kettle explosion-proof control box through optical fiber communication.
2. The variable frequency automatic stopping system for drying oven of claim 1, wherein, The drying kettle explosion-proof control box is externally connected with the running position detection device and is electrically connected with the running position detection device, the running position detection device includes three position detection sensors, and the three position detection sensors correspond to three stop positions respectively and are selected through a change-over switch. The three stop positions are a feeding port, a detection port and a stop discharging port of the drying kettle.
3. The variable frequency automatic stopping system for drying kiln according to claim 1 or 2, characterized in that, The frequency conversion control cabinet includes a bypass switching device, a data acquisition control module and a frequency converter, and the frequency converter is electrically connected with the data acquisition control module; The bypass switching device is electrically connected with the data acquisition control module; The optical fiber transceiver in the frequency conversion control cabinet is electrically connected with the bypass switching device and the data acquisition control module.
4. The variable frequency automatic stopping system for drying oven of claim 3, wherein, The drying kettle explosion-proof control box includes a data acquisition module, a power supply and a data processing unit; The data acquisition module is electrically connected with the drying kettle, the power supply and the data processing unit are electrically connected with the drying kettle and the data acquisition module, and the collected data is processed; The power supply and the data processing unit are electrically connected with the optical fiber transceiver in the drying kettle explosion-proof box.
5. The variable frequency automatic stopping system for drying oven as claimed in claim 4, wherein The frequency conversion control cabinet is further provided with a feedback unit and a signal acquisition and communication module, the feedback unit is electrically connected with the frequency converter, and the signal acquisition and communication module is electrically connected with the frequency converter.
6. The variable frequency automatic stopping system for drying oven of claim 1, wherein, The electric control system adopts a distributed layout.